> I wonder what is the history of OS-9 level one ? Is it just an attempt > to create a "Unix clone" on the 6809 ? Or are there somes others reasons ? > There doesn't seem to be a lack of info on OS-9 history. Just google "os9 history (6809 OR 6309)" (the cpu specs should filter out Apple results). The first dozen of the 400,000+ results looked like they were on topic. HH